What is a mole in chemistry?
Mole-Mole Stoichiometry

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Mathematics
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5th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A mole is a unit of measurement used to express the amount of a substance. It is defined as 6.022 x 10^23 particles (atoms, molecules, ions, etc.) of that substance.
2.
FLASHCARD QUESTION
Front
What is stoichiometry?
Back
Stoichiometry is the calculation of reactants and products in chemical reactions based on the balanced chemical equation.
3.
FLASHCARD QUESTION
Front
What does a mole ratio represent?
Back
A mole ratio is a ratio between the amounts in moles of any two compounds involved in a chemical reaction.
4.
FLASHCARD QUESTION
Front
How do you determine the mole ratio from a balanced equation?
Back
The mole ratio can be determined by looking at the coefficients in front of the compounds in a balanced chemical equation.
5.
FLASHCARD QUESTION
Front
In the reaction 2AgNO3 + Cu -> Cu(NO3)2 + 2Ag, what is the mole ratio of AgNO3 to Cu(NO3)2?
Back
The mole ratio of AgNO3 to Cu(NO3)2 is 2:1.
6.
FLASHCARD QUESTION
Front
In the reaction N2 + 3H2 -> 2NH3, how many moles of N2 are needed for 6 moles of H2?
Back
2 moles of N2 are needed for 6 moles of H2.
7.
FLASHCARD QUESTION
Front
In the reaction S8 + 12 O2 -> 8 SO3, how many moles of S8 are needed for 3 moles of O2?
Back
0.25 moles of S8 are needed for 3 moles of O2.
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